/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionVertexInterpolator.h
class UMaterialExpressionVertexInterpolator : public [UMaterialExpressionCustomOutput](API\Runtime\Engine\Materials\UMaterialExpressionCustomOutput)
TArray<TObject...
CompileErrorExpressions
Errors encountered during pre-translation to be appended if the interpolator is actually in-use.
TArray<FString...
CompileErrors
FExpressionInpu...
Input
EMaterialValueT...
InterpolatedType
int32
InterpolatorIndex
int32
InterpolatorOffset